| 1 |
<?php |
| 2 |
/** |
| 3 |
* Friends SimplePie Parser Wrapper |
| 4 |
* |
| 5 |
* With this parser, we can import RSS and Atom Feeds for a friend. |
| 6 |
* |
| 7 |
* @package Friends |
| 8 |
*/ |
| 9 |
|
| 10 |
namespace Friends; |
| 11 |
|
| 12 |
/** |
| 13 |
* This is the class for the feed part of the Friends Plugin. |
| 14 |
* |
| 15 |
* @since 1.0 |
| 16 |
* |
| 17 |
* @package Friends |
| 18 |
* @author Alex Kirk |
| 19 |
*/ |
| 20 |
class Feed_Parser_SimplePie extends Feed_Parser_V2 { |
| 21 |
const NAME = 'SimplePie'; |
| 22 |
const URL = 'http://simplepie.org'; |
| 23 |
const SLUG = 'simplepie'; |
| 24 |
|
| 25 |
private $friends_feed; |
| 26 |
|
| 27 |
/** |
| 28 |
* Constructor. |
| 29 |
* |
| 30 |
* @param Feed $friends_feed The friends feed. |
| 31 |
*/ |
| 32 |
public function __construct( Feed $friends_feed ) { |
| 33 |
$this->friends_feed = $friends_feed; |
| 34 |
|
| 35 |
\add_filter( 'friends_get_comments', array( $this, 'get_comments' ), 10, 4 ); |
| 36 |
\add_filter( 'friends_no_comments_feed_available', array( $this, 'no_comments_feed_available' ), 10, 2 ); |
| 37 |
\add_filter( 'friends_modify_feed_item', array( $this, 'podcast_audio_support' ) ); |
| 38 |
\add_filter( 'friends_modify_feed_item', array( $this, 'youtube_video_support' ) ); |
| 39 |
} |
| 40 |
|
| 41 |
/** |
| 42 |
* Get the badge for RSS/Atom feeds. |
| 43 |
* |
| 44 |
* @return array Badge info. |
| 45 |
*/ |
| 46 |
public function get_badge() { |
| 47 |
return array( |
| 48 |
'label' => 'RSS', |
| 49 |
'color' => '#5b9a68', |
| 50 |
'title' => __( 'RSS/Atom Feed', 'friends' ), |
| 51 |
); |
| 52 |
} |
| 53 |
|
| 54 |
/** |
| 55 |
* Determines if this is a supported feed and to what degree we feel it's supported. |
| 56 |
* |
| 57 |
* @param string $url The url. |
| 58 |
* @param string $mime_type The mime type. |
| 59 |
* @param string $title The title. |
| 60 |
* @param string|null $content The content, it can't be assumed that it's always available. |
| 61 |
* |
| 62 |
* @return int Return 0 if unsupported, a positive value representing the confidence for the feed, use 10 if you're reasonably confident. |
| 63 |
*/ |
| 64 |
public function feed_support_confidence( $url, $mime_type, $title, $content = null ) { |
| 65 |
$rewritten = $this->rewrite_known_url( $url ); |
| 66 |
if ( $rewritten ) { |
| 67 |
$mime_type = $rewritten['type']; |
| 68 |
} |
| 69 |
|
| 70 |
switch ( $mime_type ) { |
| 71 |
case 'application/rss+xml': |
| 72 |
case 'application/atom+xml': |
| 73 |
return 10; |
| 74 |
} |
| 75 |
|
| 76 |
switch ( $mime_type ) { |
| 77 |
case 'application/xml': |
| 78 |
return 5; |
| 79 |
} |
| 80 |
|
| 81 |
return 0; |
| 82 |
} |
| 83 |
|
| 84 |
/** |
| 85 |
* Rewrite known URLs to their RSS feeds. |
| 86 |
* |
| 87 |
* @param string $url The url. |
| 88 |
* |
| 89 |
* @return array An equivalent link array. |
| 90 |
*/ |
| 91 |
public function rewrite_known_url( $url ) { |
| 92 |
$host = wp_parse_url( strtolower( $url ), PHP_URL_HOST ); |
| 93 |
|
| 94 |
switch ( $host ) { |
| 95 |
case 'www.youtube.com': |
| 96 |
case 'youtube.com': |
| 97 |
if ( preg_match( '#/(?:channel/|@)([^?&$]+)#i', $url, $m ) ) { |
| 98 |
return array( |
| 99 |
'title' => 'Youtube', |
| 100 |
'rel' => 'alternate', |
| 101 |
'type' => 'application/rss+xml', |
| 102 |
'url' => 'https://www.youtube.com/feeds/videos.xml?channel_id=' . $m[1], |
| 103 |
'post-format' => 'video', |
| 104 |
); |
| 105 |
} |
| 106 |
if ( preg_match( '#/user/([^?&$]+)#i', $url, $m ) ) { |
| 107 |
return array( |
| 108 |
'title' => 'Youtube', |
| 109 |
'rel' => 'alternate', |
| 110 |
'type' => 'application/rss+xml', |
| 111 |
'url' => 'https://www.youtube.com/feeds/videos.xml?user=' . $m[1], |
| 112 |
'post-format' => 'video', |
| 113 |
); |
| 114 |
} |
| 115 |
return array(); |
| 116 |
case 'github.com': |
| 117 |
return array( |
| 118 |
'rel' => 'alternate', |
| 119 |
'type' => 'application/atom+xml', |
| 120 |
'url' => $url, |
| 121 |
'post-format' => 'aside', |
| 122 |
); |
| 123 |
} |
| 124 |
|
| 125 |
return array(); |
| 126 |
} |
| 127 |
|
| 128 |
/** |
| 129 |
* Format the feed title and autoselect the posts feed. |
| 130 |
* |
| 131 |
* @param array $feed_details The feed details. |
| 132 |
* |
| 133 |
* @return array The (potentially) modified feed details. |
| 134 |
*/ |
| 135 |
public function update_feed_details( $feed_details ) { |
| 136 |
$rewritten = $this->rewrite_known_url( $feed_details['url'] ); |
| 137 |
if ( $rewritten ) { |
| 138 |
$feed_details = $rewritten; |
| 139 |
} |
| 140 |
|
| 141 |
foreach ( get_post_format_strings() as $format => $title ) { |
| 142 |
if ( preg_match( '/\b' . preg_quote( $format, '/' ) . '\b/i', $feed_details['url'] ) ) { |
| 143 |
$feed_details['post-format'] = $format; |
| 144 |
break; |
| 145 |
} |
| 146 |
} |
| 147 |
|
| 148 |
return $feed_details; |
| 149 |
} |
| 150 |
|
| 151 |
/** |
| 152 |
* Check whether a URL looks like a direct feed file. |
| 153 |
* |
| 154 |
* @param string $url The URL to check. |
| 155 |
* @return bool Whether the URL has a feed file extension. |
| 156 |
*/ |
| 157 |
private function is_direct_feed_url( $url ) { |
| 158 |
$path = wp_parse_url( $url, PHP_URL_PATH ); |
| 159 |
if ( ! $path ) { |
| 160 |
return false; |
| 161 |
} |
| 162 |
|
| 163 |
return (bool) preg_match( '/\.(?:atom|rdf|rss|xml)$/i', $path ); |
| 164 |
} |
| 165 |
|
| 166 |
/** |
| 167 |
* Instanciate SimplePie the same way WordPress does it. |
| 168 |
* |
| 169 |
* @return SimplePie A simplepie instance. |
| 170 |
*/ |
| 171 |
private function get_simplepie() { |
| 172 |
if ( ! class_exists( 'SimplePie', false ) ) { |
| 173 |
require_once ABSPATH . WPINC . '/class-simplepie.php'; |
| 174 |
} |
| 175 |
|
| 176 |
require_once ABSPATH . WPINC . '/class-wp-feed-cache-transient.php'; |
| 177 |
require_once ABSPATH . WPINC . '/class-wp-simplepie-file.php'; |
| 178 |
require_once __DIR__ . '/SimplePie/class-simplepie-file-accept-only-rss.php'; |
| 179 |
require_once __DIR__ . '/SimplePie/class-simplepie-misc.php'; |
| 180 |
require_once ABSPATH . WPINC . '/class-wp-simplepie-sanitize-kses.php'; |
| 181 |
require_once __DIR__ . '/SimplePie/class-simplepie-sanitize-kses.php'; |
| 182 |
|
| 183 |
// Workaround for SimplePie assuming that CURL is loaded. |
| 184 |
if ( ! defined( 'CURLOPT_USERAGENT' ) ) { |
| 185 |
define( 'CURLOPT_USERAGENT', 10018 ); |
| 186 |
} |
| 187 |
|
| 188 |
$feed = new \SimplePie(); |
| 189 |
|
| 190 |
$feed->get_registry()->register( \SimplePie\Sanitize::class, __NAMESPACE__ . '\SimplePie_Sanitize_KSES', true ); |
| 191 |
|
| 192 |
// We must manually overwrite $feed->sanitize because SimplePie's |
| 193 |
// constructor sets it before we have a chance to set the sanitization class. |
| 194 |
$feed->sanitize = new SimplePie_Sanitize_KSES(); |
| 195 |
|
| 196 |
\SimplePie_Cache::register( 'wp_transient', '\WP_Feed_Cache_Transient' ); |
| 197 |
$feed->set_cache_location( 'wp_transient' ); |
| 198 |
|
| 199 |
$registry = $feed->get_registry(); |
| 200 |
$registry->register( 'Misc', __NAMESPACE__ . '\SimplePie_Misc' ); |
| 201 |
|
| 202 |
return $feed; |
| 203 |
} |
| 204 |
|
| 205 |
/** |
| 206 |
* Discover the feeds available at the URL specified. |
| 207 |
* |
| 208 |
* @param string $content The content for the URL is already provided here. |
| 209 |
* @param string $url The url to search. |
| 210 |
* |
| 211 |
* @return array A list of supported feeds at the URL. |
| 212 |
*/ |
| 213 |
public function discover_available_feeds( $content, $url ) { |
| 214 |
if ( ! is_string( $content ) ) { |
| 215 |
return array(); |
| 216 |
} |
| 217 |
$feed = $this->get_simplepie(); |
| 218 |
do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) ); |
| 219 |
|
| 220 |
$feed->set_raw_data( $content ); |
| 221 |
|
| 222 |
$feed->set_output_encoding( get_option( 'blog_charset' ) ); |
| 223 |
|
| 224 |
$feed->init(); |
| 225 |
|
| 226 |
if ( $feed->error() ) { |
| 227 |
return array(); |
| 228 |
} |
| 229 |
|
| 230 |
$discovered_feeds = array(); |
| 231 |
|
| 232 |
$items = $feed->get_items(); |
| 233 |
if ( count( $items ) ) { |
| 234 |
// This is a feed. |
| 235 |
$mime_type = false; |
| 236 |
if ( $feed->get_type() & SIMPLEPIE_TYPE_RSS_ALL ) { |
| 237 |
$mime_type = 'application/rss+xml'; |
| 238 |
} elseif ( $feed->get_type() & SIMPLEPIE_TYPE_ATOM_ALL ) { |
| 239 |
$mime_type = 'application/atom+xml'; |
| 240 |
} |
| 241 |
|
| 242 |
if ( $mime_type ) { |
| 243 |
$feed_url = $feed->subscribe_url(); |
| 244 |
if ( ! $feed_url ) { |
| 245 |
$feed_url = $url; |
| 246 |
} |
| 247 |
|
| 248 |
$discovered_feeds[ $feed_url ] = array( |
| 249 |
'type' => $mime_type, |
| 250 |
'title' => $feed->get_title(), |
| 251 |
'parser' => 'simplepie', |
| 252 |
'rel' => 'self', |
| 253 |
'autoselect' => true, |
| 254 |
); |
| 255 |
} |
| 256 |
} |
| 257 |
|
| 258 |
return $discovered_feeds; |
| 259 |
} |
| 260 |
|
| 261 |
/** |
| 262 |
* Fetches a feed and returns the processed items. |
| 263 |
* |
| 264 |
* @param string $url The url. |
| 265 |
* @param User_Feed $user_feed The user feed. |
| 266 |
* |
| 267 |
* @return array An array of feed items. |
| 268 |
*/ |
| 269 |
public function fetch_feed( $url, ?User_Feed $user_feed = null ) { |
| 270 |
// Use SimplePie which is bundled with WordPress. |
| 271 |
$feed = $this->get_simplepie(); |
| 272 |
|
| 273 |
$host = wp_parse_url( strtolower( $url ), PHP_URL_HOST ); |
| 274 |
|
| 275 |
switch ( $host ) { |
| 276 |
case 'github.com': |
| 277 |
$feed->get_registry()->register( 'File', __NAMESPACE__ . '\SimplePie_File_Accept_Only_RSS' ); |
| 278 |
break; |
| 279 |
default: |
| 280 |
$feed->get_registry()->register( 'File', '\WP_SimplePie_File' ); |
| 281 |
} |
| 282 |
/** |
| 283 |
* Maybe Rewrite a URL |
| 284 |
* |
| 285 |
* Allows modifying the URL before fetching it. |
| 286 |
* |
| 287 |
* @param string $url The URL to fetch. |
| 288 |
* @param Feed_Parser_V2 $parser The parser instance. |
| 289 |
*/ |
| 290 |
$feed->set_feed_url( $url ); |
| 291 |
$feed->set_cache_duration( apply_filters( 'wp_feed_cache_transient_lifetime', HOUR_IN_SECONDS - 600, $url ) ); |
| 292 |
if ( $this->is_direct_feed_url( $url ) ) { |
| 293 |
$feed->force_feed( true ); |
| 294 |
} |
| 295 |
|
| 296 |
do_action_ref_array( 'wp_feed_options', array( &$feed, $url ) ); |
| 297 |
|
| 298 |
$feed->init(); |
| 299 |
|
| 300 |
$feed->set_output_encoding( get_option( 'blog_charset' ) ); |
| 301 |
|
| 302 |
if ( $feed->error() ) { |
| 303 |
return new \WP_Error( 'simplepie-error', $feed->error() ); |
| 304 |
} |
| 305 |
|
| 306 |
return $this->process_items( $feed->get_items(), $url ); |
| 307 |
} |
| 308 |
|
| 309 |
/** |
| 310 |
* Process the feed items. |
| 311 |
* |
| 312 |
* @param array $items The items. |
| 313 |
* @param string $url The url. |
| 314 |
* |
| 315 |
* @return array The processed feed items. |
| 316 |
*/ |
| 317 |
public function process_items( $items, $url ) { |
| 318 |
$feed_items = array(); |
| 319 |
foreach ( $items as $item ) { |
| 320 |
/* See https://www.rssboard.org/rss-encoding-examples */ |
| 321 |
$title = $item->get_title(); |
| 322 |
if ( $title ) { |
| 323 |
$title = htmlspecialchars_decode( $title, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 ); |
| 324 |
if ( $title ) { |
| 325 |
$title = \html_entity_decode( $title, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401, 'UTF-8' ); |
| 326 |
} |
| 327 |
} |
| 328 |
$feed_item = new Feed_Item( |
| 329 |
array( |
| 330 |
'permalink' => $item->get_permalink(), |
| 331 |
'title' => $title, |
| 332 |
'content' => $this->convert_relative_urls_to_absolute_urls( $item->get_content(), $item->get_permalink() ), |
| 333 |
) |
| 334 |
); |
| 335 |
|
| 336 |
foreach ( array( |
| 337 |
'gravatar' => 'gravatar', |
| 338 |
'comment_count' => 'comments', |
| 339 |
'status' => 'post-status', |
| 340 |
'post_format' => 'post-format', |
| 341 |
'id' => 'post-id', |
| 342 |
) as $key => $lookup_key ) { |
| 343 |
foreach ( array( Feed::XMLNS, 'com-wordpress:feed-additions:1' ) as $xmlns ) { |
| 344 |
if ( ! isset( $item->data['child'][ $xmlns ][ $lookup_key ][0]['data'] ) ) { |
| 345 |
continue; |
| 346 |
} |
| 347 |
|
| 348 |
$feed_item->{$key} = $item->data['child'][ $xmlns ][ $lookup_key ][0]['data']; |
| 349 |
break; |
| 350 |
} |
| 351 |
} |
| 352 |
|
| 353 |
foreach ( array( |
| 354 |
'http://purl.org/rss/1.0/modules/slash/' => array( |
| 355 |
'comment_count' => 'comments', |
| 356 |
), |
| 357 |
'http://wellformedweb.org/CommentAPI/' => array( |
| 358 |
'comments_feed' => 'commentRss', |
| 359 |
), |
| 360 |
) as $xmlns => $keys ) { |
| 361 |
foreach ( $keys as $key => $lookup_key ) { |
| 362 |
if ( ! isset( $item->data['child'][ $xmlns ][ $lookup_key ][0]['data'] ) ) { |
| 363 |
continue; |
| 364 |
} |
| 365 |
|
| 366 |
$feed_item->{$key} = $item->data['child'][ $xmlns ][ $lookup_key ][0]['data']; |
| 367 |
break; |
| 368 |
} |
| 369 |
} |
| 370 |
|
| 371 |
$enclosures = $item->get_enclosures(); |
| 372 |
if ( is_array( $enclosures ) ) { |
| 373 |
foreach ( $enclosures as $enclosure ) { |
| 374 |
if ( ! isset( $enclosure->link ) ) { |
| 375 |
continue; |
| 376 |
} |
| 377 |
|
| 378 |
$feed_item->enclosure = array_filter( |
| 379 |
array( |
| 380 |
'url' => $enclosure->get_link(), |
| 381 |
'type' => $enclosure->get_type(), |
| 382 |
'length' => $enclosure->get_length(), |
| 383 |
) |
| 384 |
); |
| 385 |
} |
| 386 |
} |
| 387 |
|
| 388 |
if ( is_object( $item->get_author() ) ) { |
| 389 |
$feed_item->author = $item->get_author()->name; |
| 390 |
if ( ! $feed_item->author ) { |
| 391 |
$feed_item->author = ''; |
| 392 |
} |
| 393 |
// Strip HTML tags, even if they are escaped. |
| 394 |
$feed_item->author = htmlspecialchars_decode( $feed_item->author, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 ); |
| 395 |
$feed_item->author = \wp_strip_all_tags( $feed_item->author ); |
| 396 |
} |
| 397 |
|
| 398 |
$feed_item->date = $item->get_gmdate( 'U' ); |
| 399 |
$feed_item->updated_date = $item->get_updated_gmdate( 'U' ); |
| 400 |
|
| 401 |
$tags = $this->extract_hashtags( $feed_item ); |
| 402 |
if ( ! empty( $tags ) ) { |
| 403 |
$feed_item->friend_tags = $tags; |
| 404 |
} |
| 405 |
|
| 406 |
$feed_items[] = $feed_item; |
| 407 |
} |
| 408 |
|
| 409 |
return $feed_items; |
| 410 |
} |
| 411 |
|
| 412 |
/** |
| 413 |
* Extract hashtags from a feed item's content and title |
| 414 |
* |
| 415 |
* @param Feed_Item $feed_item The feed item. |
| 416 |
* @return array Array of hashtag strings |
| 417 |
*/ |
| 418 |
public function extract_hashtags( $feed_item ) { |
| 419 |
$tags = array(); |
| 420 |
|
| 421 |
$text = ''; |
| 422 |
if ( ! empty( $feed_item->title ) ) { |
| 423 |
$text .= $feed_item->title . ' '; |
| 424 |
} |
| 425 |
if ( ! empty( $feed_item->content ) ) { |
| 426 |
$text .= wp_strip_all_tags( $feed_item->content ); |
| 427 |
} |
| 428 |
|
| 429 |
if ( preg_match_all( '/#([A-Za-z0-9_-]+)/', $text, $matches ) ) { |
| 430 |
foreach ( $matches[1] as $hashtag ) { |
| 431 |
$tag_name = sanitize_title( strtolower( $hashtag ) ); |
| 432 |
if ( ! empty( $tag_name ) && strlen( $tag_name ) > 1 ) { |
| 433 |
$tags[] = $tag_name; |
| 434 |
} |
| 435 |
} |
| 436 |
} |
| 437 |
|
| 438 |
return array_unique( $tags ); |
| 439 |
} |
| 440 |
|
| 441 |
public function no_comments_feed_available( $text, $post_id ) { |
| 442 |
if ( User_Feed::get_parser_for_post_id( $post_id ) !== self::SLUG ) { |
| 443 |
return $text; |
| 444 |
} |
| 445 |
|
| 446 |
$comments_url = get_post_meta( $post_id, Feed::COMMENTS_FEED_META, true ); |
| 447 |
if ( ! $comments_url ) { |
| 448 |
return __( 'We tried to load comments remotely but there was no comments feed available.', 'friends' ); |
| 449 |
} |
| 450 |
return $text; |
| 451 |
} |
| 452 |
|
| 453 |
/** |
| 454 |
* Get comments from a feed. |
| 455 |
* |
| 456 |
* @param array $comments The comments. |
| 457 |
* @param int $post_id The post id. |
| 458 |
* @param User $friend_user The friend user. |
| 459 |
* @param User_Feed $user_feed The user feed. |
| 460 |
* |
| 461 |
* @return array The comments. |
| 462 |
*/ |
| 463 |
public function get_comments( $comments, $post_id, ?User $friend_user = null, ?User_Feed $user_feed = null ) { |
| 464 |
$comments_url = get_post_meta( $post_id, Feed::COMMENTS_FEED_META, true ); |
| 465 |
if ( ! $comments_url || ! $friend_user || ! $user_feed ) { |
| 466 |
return $comments; |
| 467 |
} |
| 468 |
|
| 469 |
$items = $this->fetch_feed( $comments_url, $user_feed ); |
| 470 |
|
| 471 |
if ( is_wp_error( $items ) ) { |
| 472 |
return $comments; |
| 473 |
} |
| 474 |
|
| 475 |
foreach ( $items as $key => $item ) { |
| 476 |
if ( is_wp_error( $item ) ) { |
| 477 |
unset( $items[ $key ] ); |
| 478 |
continue; |
| 479 |
} |
| 480 |
$item = apply_filters( 'friends_modify_feed_item', $item, $user_feed, $friend_user, null ); |
| 481 |
|
| 482 |
if ( ! $item || $item->_feed_rule_delete ) { |
| 483 |
unset( $items[ $key ] ); |
| 484 |
continue; |
| 485 |
} |
| 486 |
if ( ! empty( $item->_feed_rule_transform ) && is_array( $item->_feed_rule_transform ) ) { |
| 487 |
if ( isset( $item->_feed_rule_transform['post_content'] ) ) { |
| 488 |
$items[ $key ]->content = $item->_feed_rule_transform['post_content']; |
| 489 |
} |
| 490 |
} |
| 491 |
} |
| 492 |
|
| 493 |
return array_merge( $comments, $items ); |
| 494 |
} |
| 495 |
|
| 496 |
public function podcast_audio_support( $item ) { |
| 497 |
if ( ! isset( $item->enclosure['url'] ) ) { |
| 498 |
return $item; |
| 499 |
} |
| 500 |
if ( false !== stripos( $item->post_content, '<audio' ) || false !== stripos( $item->post_content, $item->enclosure['url'] ) ) { |
| 501 |
return $item; |
| 502 |
} |
| 503 |
|
| 504 |
if ( ! preg_match( '#\.(mp3|m4a|ogg|wav)$#i', $item->enclosure['url'] ) ) { |
| 505 |
if ( ! isset( $item->enclosure['type'] ) || ! preg_match( '#audio/(mp3|m4a|ogg|wav)$#i', $item->enclosure['type'] ) ) { |
| 506 |
return $item; |
| 507 |
} |
| 508 |
} |
| 509 |
|
| 510 |
$audio_block = '<!-- wp:audio -->'; |
| 511 |
$audio_block .= PHP_EOL; |
| 512 |
$audio_block .= '<figure class="wp-block-audio"><audio controls src="'; |
| 513 |
$audio_block .= esc_url( $item->enclosure['url'] ); |
| 514 |
if ( isset( $item->enclosure['type'] ) ) { |
| 515 |
$audio_block .= '" type="'; |
| 516 |
$audio_block .= esc_attr( $item->enclosure['type'] ); |
| 517 |
} |
| 518 |
if ( isset( $item->enclosure['length'] ) ) { |
| 519 |
$audio_block .= '" length="'; |
| 520 |
$audio_block .= esc_attr( $item->enclosure['length'] ); |
| 521 |
} |
| 522 |
$audio_block .= '"></audio></figure>'; |
| 523 |
$audio_block .= PHP_EOL; |
| 524 |
$audio_block .= '<!-- /wp:audio -->'; |
| 525 |
$audio_block .= PHP_EOL; |
| 526 |
$audio_block .= PHP_EOL; |
| 527 |
|
| 528 |
$item->post_content = $audio_block . $item->post_content; |
| 529 |
return $item; |
| 530 |
} |
| 531 |
public function youtube_video_support( $item ) { |
| 532 |
if ( ! isset( $item->enclosure['url'] ) ) { |
| 533 |
return $item; |
| 534 |
} |
| 535 |
if ( false !== stripos( $item->post_content, '<iframe' ) || false !== stripos( $item->post_content, $item->enclosure['url'] ) ) { |
| 536 |
return $item; |
| 537 |
} |
| 538 |
$p = wp_parse_url( $item->enclosure['url'] ); |
| 539 |
if ( ! isset( $p['host'] ) || ! isset( $p['path'] ) ) { |
| 540 |
return $item; |
| 541 |
} |
| 542 |
if ( ! in_array( $p['host'], array( 'www.youtube.com', 'youtube.com', 'youtu.be' ) ) ) { |
| 543 |
return $item; |
| 544 |
} |
| 545 |
|
| 546 |
if ( ! preg_match( '#/embed/([^?&$]+)#i', $item->enclosure['url'], $m ) ) { |
| 547 |
if ( ! preg_match( '#/v/([^?&$]+)#i', $item->enclosure['url'], $m ) ) { |
| 548 |
return $item; |
| 549 |
} |
| 550 |
} |
| 551 |
|
| 552 |
if ( ! preg_match( '#^[a-zA-Z0-9_-]+$#', $m[1] ) ) { |
| 553 |
return $item; |
| 554 |
} |
| 555 |
|
| 556 |
$video_url = 'https://youtube.com/v/' . esc_html( $m[1] ); |
| 557 |
|
| 558 |
$youtube_block = '<!-- wp:embed {"url":"'; |
| 559 |
$youtube_block .= esc_url( $video_url ); |
| 560 |
$youtube_block .= '","type":"wp:youtube"} -->'; |
| 561 |
$youtube_block .= PHP_EOL; |
| 562 |
$youtube_block .= '<figure class="wp-block-embed is-type-rich is-provider-embed-handler wp-block-embed-embed-handler wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">'; |
| 563 |
$youtube_block .= PHP_EOL; |
| 564 |
$youtube_block .= esc_url( $video_url ); |
| 565 |
$youtube_block .= PHP_EOL; |
| 566 |
$youtube_block .= '</div></figure>'; |
| 567 |
$youtube_block .= PHP_EOL; |
| 568 |
$youtube_block .= '<!-- /wp:embed -->'; |
| 569 |
$youtube_block .= PHP_EOL; |
| 570 |
$youtube_block .= PHP_EOL; |
| 571 |
|
| 572 |
$item->post_content = $youtube_block . $item->post_content; |
| 573 |
return $item; |
| 574 |
} |
| 575 |
} |
| 576 |
|
